package com.itheima.reggie.config;/**
 * 功能描述
 *
 * @author 唯硕
 * @date 2022/09/16  15:55
 */

import com.itheima.reggie.common.JacksonObjectMapper;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.cbor.MappingJackson2CborHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 *@ClassName WebMvcConfig
 *@Description TODO 静态页面加载放在static或templates文件夹中否则静态页面index.html加载不出来   所以配置MVC框架静态资源的映射
 *@Author 唯硕
 *@Date 2022/9/16 15:55
 *@Version 1.0
 */
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
    /**
     * 设置静态资源映射
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
       registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }
    /*
    * 扩展MVC框架的消息转换器
    *
    */

    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用Jackson将Java对象转为Json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将上面的消息转换器追加到MVC框架的转换器集合中
        converters.add(0,messageConverter);

    }
}
